SN4 ""

No	Pattern	Freq
1	[art] [noun] is not required	25
2	[art] [noun] is not required	25
3	[adj] [noun] is not required	24
4	[noun] [noun] is not required	22
5	the [noun] is not required	20
6	the [noun] is not required	20
7	[noun sg] [noun] is not required	19
8	[adj] [noun] is not required	16
9	of [noun] is not required	9
10	[prep] [noun] is not required	9
11	of [noun] is not required	9
12	[prep] [noun] is not required	9
13	[det] [noun] is not required	8
14	a [noun] is not required	5
15	[noun] [noun] is not required	22
16	[noun] [noun sg] is not required	18
17	[noun] is not [adv] required	9
18	[noun] is not [adv] required	9
19	[noun] is not required [to-vb]	34
20	[noun] is not required [verb]	34
21	[noun] is not required [prep]	21
22	[noun] is not required [prep]	21
23	[noun] is not required for	13
24	[noun] is not required for	13
25	[noun] is not required [conj]	11
26	[noun] is not required [subord]	8